Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Xaba, B (Boitumelo)
Dob:
2007/10/06 (U18)
Gender:
Female
Chess SA id:
207083584
FIDE id:
Region:
Mangaung (FMB)
Citizen:
RSA
Title(s):
Last active:
2019/03/16 (2081 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
728.8
Current Weighted rating
728.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
728.8
Current highest rating achieved
728.8
Current floor (min rating allowed)
500.0
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±324.5
Current Raw change used (final)
0.0
Projected new Raw rating
728.8
Projected new Weighed rating
670.5
Projected new Weighted performance
226.5
Projected new final Raw rating (if new WP > new Raw)
728.8
Projected new highest rating
728.8
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
728.8
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
765.2
Current Weighted rating
765.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
765.2
Current highest rating achieved
765.2
Current floor (min rating allowed)
500.0
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±308.1
Current Raw change used (final)
0.0
Projected new Raw rating
765.2
Projected new Weighed rating
704.0
Projected new Weighted performance
226.5
Projected new final Raw rating (if new WP > new Raw)
765.2
Projected new highest rating
765.2
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
765.2
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
500.0
Current Weighted rating
500.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
500.0
Current highest rating achieved
500.0
Current floor (min rating allowed)
500.0
Current K-factor
40
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±449.5
Current Raw change used (final)
0.0
Projected new Raw rating
500.0
Projected new Weighed rating
460.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
500.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
500.0
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
500.0
Current Weighted rating
500.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
500.0
Current highest rating achieved
500.0
Current floor (min rating allowed)
500.0
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±449.5
Current Raw change used (final)
0.0
Projected new Raw rating
500.0
Projected new Weighed rating
460.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
500.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
500.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
Mangaung Metro Chess 15-16 March 2019 (D)
2019/03/15
2019/03/16
Mangaung (FMB)
Standard
62
0.84
5
5
3.0
630.7
652.8
Analysis
4
Mangaung Metro Chess 1-2 February 2019 (D)
2019/02/01
2019/02/02
Mangaung (FMB)
Standard
62
0.84
5
5
3.0
544.3
550.0
Analysis
3
Mangaung Metro Chess 27-28 July 2018 (E)
2018/07/27
2018/07/28
Mangaung (FMB)
Standard
62
0.84
5
1
0.0
558.7
566.8
Analysis
2
Mangaung Metro Chess 2 & 3 February 2018 (E)
2018/02/02
2018/02/03
Mangaung (FMB)
Standard
62
0.84
5
5
3.0
518.0
518.0
Analysis
1
South African Junior Team Championships 2017 (U12D)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
6
1.5
500.0
500.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Standard
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
22
10
1
11
10.5
47.7
-19.3
884.2
864.8
White
11
5
0
6
5.0
45.5
-38.6
909.7
871.1
Black
11
5
1
5
5.5
50.0
0.0
858.6
858.6
Standard
All
22
10
1
11
10.5
47.7
-19.3
884.2
864.8
White
11
5
0
6
5.0
45.5
-38.6
909.7
871.1
Black
11
5
1
5
5.5
50.0
0.0
858.6
858.6
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
207091398
Seoela, N (Naledi)
2
1.0
1
0
1
50.0
574.4
0.0
574.4
View list
2
108086945
Geyser, H (Heinrich)
1
1.0
1
0
0
100.0
544.3
425.0
969.3
View list
3
210086184
Beelders, K (Kyra)
1
1.0
1
0
0
100.0
518.0
425.0
943.0
View list
4
1070108367
Jona, S (Siyabonga)
1
1.0
1
0
0
100.0
630.7
425.0
1055.7
View list
5
108086199
Lintvelt, H (Heinrich)
1
1.0
1
0
0
100.0
518.0
425.0
943.0
View list
6
1090100920
Lemphane, O (Oratile)
1
1.0
1
0
0
100.0
544.3
425.0
969.3
View list
7
107087411
Ngubane, M (Mhlengi)
1
1.0
1
0
0
100.0
500.0
425.0
925.0
View list
8
106068880
Moremoholo, M (Malusi)
1
1.0
1
0
0
100.0
630.7
425.0
1055.7
View list
9
209092636
Moalusi, P (Palesa)
1
1.0
1
0
0
100.0
544.3
425.0
969.3
View list
10
1060107762
Nwenyi, P (Prince)
1
1.0
1
0
0
100.0
630.7
425.0
1055.7
View list
11
106059775
Gouws, M (Mackenzie)
1
0.5
0
1
0
50.0
500.0
0.0
500.0
View list
12
107053936
Van Heerden, X (Xander)
1
0.0
0
0
1
0.0
500.0
-425.0
75.0
View list
13
206089214
Van Coller, C (Chenique)
1
0.0
0
0
1
0.0
500.0
-425.0
75.0
View list
14
207083580
Rathaba, R (Refilwe)
1
0.0
0
0
1
0.0
558.7
-425.0
133.7
View list
15
203058998
Nkosi, G (Gift)
1
0.0
0
0
1
0.0
500.0
-425.0
75.0
View list
16
109086205
Lottering, JG (Gerhard)
1
0.0
0
0
1
0.0
630.7
-425.0
205.7
View list
17
107086937
Liversage, S (Samuel)
1
0.0
0
0
1
0.0
544.3
-425.0
119.3
View list
18
107064251
Kriel, R (Ruan)
1
0.0
0
0
1
0.0
544.3
-425.0
119.3
View list
19
106060482
Jonkers, D (Deon)
1
0.0
0
0
1
0.0
500.0
-425.0
75.0
View list
20
207084887
Herbst, D (Danielle)
1
0.0
0
0
1
0.0
518.0
-425.0
93.0
View list